Cheapest return flights from Las Vegas to London in September from $524

AirHint found the following cheapest return flights from Las Vegas (LAS) to London (LHR) in September 2025 (see full year).

Return flights

23 Sep - 01 Oct Air Canada
30 Sep - 08 Oct Air Canada
09 Sep - 16 Sep SWISS
10 Sep - 17 Sep Air Canada
03 Sep - 10 Sep Air Canada
09 Sep - 23 Sep SWISS
09 Sep - 16 Sep British Airways direct
08 Sep - 23 Sep Air Canada
03 Sep - 10 Sep American Airlines direct
10 Sep - 17 Sep American Airlines direct
14 Sep - 30 Sep American Airlines direct
02 Sep - 10 Sep American Airlines direct
30 Sep - 08 Oct American Airlines direct
01 Sep - 01 Oct Delta
29 Sep - 06 Oct Spirit Airlines
28 Sep - 05 Oct Air Canada
25 Sep - 02 Oct British Airways
27 Sep - 05 Oct Air Canada
01 Sep - 01 Oct American Airlines direct
15 Sep - 01 Oct Air Canada

Also check the deals for one-way flights from Las Vegas to London in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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